Collecting package metadata (current_repodata.json): done Solving environment: done UnavailableInvalidChannel: HTTP 404 NOT FOUND for channel simple <https://pypi.doubanio.com/simple\> The channel is not accessible or is invalid. You will need to adjust your conda configuration to proceed. Use `conda config --show channels` to view your configuration's current state, and use `conda config --show-sources` to view config file locations.
还有一个就是：总之就是好像和源有关，就是删除了所有源重新装一下就好
conda config --set channel_priority strict#恢复默认的源
添加新的源
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2/
conda config --set show_channel_urls yes